Na Jung-woong (Korean: 나정웅; born 31 October 1992) is a South Korean tennis player.

Na has a career high ATP singles ranking of 404 achieved on 16 September 2013.

He also has a career high ATP doubles ranking of 966, achieved on 19 May 2014.

He represents South Korea at the Davis Cup, where he has a W/L record of 0–1.

This biographical article relating to South Korean tennis is a stub.